Changes of Soil Profile Salt on Different Reclaimed Years
Change characteristic of the typical residual solonchak in the northern of Xinjiang were explored, through investigating soil profile salt on different reclaimed years. Baojiadian town in the mamas' river watershed was considered as research area, researching dynamic change of soil salinity and its influencing factors by using methods of traditional statistical and temporal-spatial conversion. The results showed that the salinity of soil profile, with the extension of reclaimed years, was significantly decreasing. After 8 years, average salt in soil profile reduced to about 4 g/kg, and the ratio of desalinization reached 10. 6%. The soil salinity in study area mainly congregated the mid-under soil (30-100 cm) , showing the type of bottom gather. After 6 years, salt's active range concentrated in 0 - 60 cm. Soil salinity was affected by the reclaimed years, while soil texture was also an important factor influencing soil salinity. The study results will provide scientific evidence to evolution and improving the fertilizer measures of residual solonchak.
salinitysoil profileresidual solonchakreclaimed years
国家科技期刊平台
NSTL
万方数据
维普
